| Idaho Falls to Cabestany | 5,253.64 mi (8,454.91 km) |
| Idaho Falls to Cabries | 5,297.03 mi (8,524.75 km) |
| Idaho Falls to Cachan | 4,926.70 mi (7,928.76 km) |
| Idaho Falls to Caen | 4,821.01 mi (7,758.67 km) |
| Idaho Falls to Cagnes-sur-Mer | 5,343.46 mi (8,599.47 km) |
| Idaho Falls to Cahors | 5,113.18 mi (8,228.87 km) |
| Idaho Falls to Calais | 4,805.84 mi (7,734.25 km) |
| Idaho Falls to Caluire-et-Cuire | 5,158.30 mi (8,301.49 km) |
| Idaho Falls to Cambrai | 4,886.28 mi (7,863.71 km) |
| Idaho Falls to Canet-en-Roussillon | 5,254.58 mi (8,456.43 km) |
| Idaho Falls to Cannes | 5,344.98 mi (8,601.91 km) |
| Idaho Falls to Canteleu | 4,853.11 mi (7,810.33 km) |
| Idaho Falls to Capbreton | 5,052.85 mi (8,131.77 km) |
| Idaho Falls to Carcassonne | 5,206.43 mi (8,378.94 km) |
| Idaho Falls to Carmaux | 5,157.60 mi (8,300.35 km) |
